Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Cash	$ 1,729	$ 12,732
Accounts receivable, net	25,845	17,018
Contract assets	1,909	1,955
Inventories, net	48,543	44,262
Prepaid expenses and other current assets	3,160	3,291
Total current assets	81,186	79,258
LONG-TERM ASSETS:
Property and equipment, net	45,270	45,319
Operating lease right-of-use assets, net	15,946	16,396
AMP credit receivable	3,162	0
Intangible assets, net	2,560	2,728
Other assets	834	839
TOTAL ASSETS	148,958	144,540
CURRENT LIABILITIES:
Line of credit and current portion of long-term debt	18,089	1,170
Current portion of finance lease obligations	1,663	2,008
Current portion of operating lease obligations	1,824	1,882
Accounts payable	25,794	26,255
Accrued liabilities	5,160	4,313
Customer deposits	21,751	34,550
Total current liabilities	74,281	70,178
LONG-TERM LIABILITIES:
Long-term debt, net of current maturities	6,863	7,141
Long-term finance lease obligations, net of current portion	3,976	4,226
Long-term operating lease obligations, net of current portion	16,296	16,696
Other	20	26
Total long-term liabilities	27,155	28,089
COMMITMENTS AND CONTINGENCIES
STOCKHOLDERS’ EQUITY:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value; 30,000,000 shares authorized; 21,191,937 and 21,127,130 shares issued as of March 31, 2023, and December 31, 2022, respectively	21	21
Treasury stock, at cost, 273,937 shares as of March 31, 2023 and December 31, 2022	(1,842)	(1,842)
Additional paid-in capital	397,720	397,240
Accumulated deficit	(348,377)	(349,146)
Total stockholders’ equity	47,522	46,273
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 148,958	$ 144,540